Pilot-Free Common Phase Error Estimation for CO-OFDM With Improved Spectral Efficiency
We propose an improved pilot free phase noise mitigation algorithm for CO-OFDM systems using weighted multi-level QPSK partitioning and Kalman filtering. Through extensive Monte Carlo simulations, we demonstrate an improvement in spectral efficiency of <inline-formula><tex-math notation=&qu...
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| Format: | Article |
| Language: | English |
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IEEE
2019-01-01
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| Series: | IEEE Photonics Journal |
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| Online Access: | https://ieeexplore.ieee.org/document/8883033/ |
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| author | Lakshmi Narayanan Venkatasubramani Anirudh Vijay Deepa Venkitesh R. David Koilpillai |
| author_facet | Lakshmi Narayanan Venkatasubramani Anirudh Vijay Deepa Venkitesh R. David Koilpillai |
| author_sort | Lakshmi Narayanan Venkatasubramani |
| collection | DOAJ |
| description | We propose an improved pilot free phase noise mitigation algorithm for CO-OFDM systems using weighted multi-level QPSK partitioning and Kalman filtering. Through extensive Monte Carlo simulations, we demonstrate an improvement in spectral efficiency of <inline-formula><tex-math notation="LaTeX">$>$</tex-math></inline-formula>6% in case of 200 Gbps single channel and 1 Tbps multi channel 16QAM CO-OFDM transmission with blind carrier phase estimation. We also experimentally demonstrate the performance of the proposed algorithm against the standard pilot aided algorithm for the transmission of 120 Gbps 16QAM CO-OFDM at different noise levels. |
| format | Article |
| id | doaj-art-2e3638c4a19e417e9bbdec8e9b1b5ece |
| institution | Matheson Library |
| issn | 1943-0655 |
| language | English |
| publishDate | 2019-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Photonics Journal |
| spelling | doaj-art-2e3638c4a19e417e9bbdec8e9b1b5ece2025-07-01T23:52:02ZengIEEEIEEE Photonics Journal1943-06552019-01-0111611010.1109/JPHOT.2019.29496378883033Pilot-Free Common Phase Error Estimation for CO-OFDM With Improved Spectral EfficiencyLakshmi Narayanan Venkatasubramani0https://orcid.org/0000-0001-8066-1463Anirudh Vijay1https://orcid.org/0000-0002-5068-3802Deepa Venkitesh2R. David Koilpillai3Department of Electrical Engineering, Indian Institute of Technology Madras, Chennai, IndiaDepartment of Electrical Engineering, Indian Institute of Technology Madras, Chennai, IndiaDepartment of Electrical Engineering, Indian Institute of Technology Madras, Chennai, IndiaDepartment of Electrical Engineering, Indian Institute of Technology Madras, Chennai, IndiaWe propose an improved pilot free phase noise mitigation algorithm for CO-OFDM systems using weighted multi-level QPSK partitioning and Kalman filtering. Through extensive Monte Carlo simulations, we demonstrate an improvement in spectral efficiency of <inline-formula><tex-math notation="LaTeX">$>$</tex-math></inline-formula>6% in case of 200 Gbps single channel and 1 Tbps multi channel 16QAM CO-OFDM transmission with blind carrier phase estimation. We also experimentally demonstrate the performance of the proposed algorithm against the standard pilot aided algorithm for the transmission of 120 Gbps 16QAM CO-OFDM at different noise levels.https://ieeexplore.ieee.org/document/8883033/Coherent optical OFDMphase noisecommon phase errorKalman filter. |
| spellingShingle | Lakshmi Narayanan Venkatasubramani Anirudh Vijay Deepa Venkitesh R. David Koilpillai Pilot-Free Common Phase Error Estimation for CO-OFDM With Improved Spectral Efficiency IEEE Photonics Journal Coherent optical OFDM phase noise common phase error Kalman filter. |
| title | Pilot-Free Common Phase Error Estimation for CO-OFDM With Improved Spectral Efficiency |
| title_full | Pilot-Free Common Phase Error Estimation for CO-OFDM With Improved Spectral Efficiency |
| title_fullStr | Pilot-Free Common Phase Error Estimation for CO-OFDM With Improved Spectral Efficiency |
| title_full_unstemmed | Pilot-Free Common Phase Error Estimation for CO-OFDM With Improved Spectral Efficiency |
| title_short | Pilot-Free Common Phase Error Estimation for CO-OFDM With Improved Spectral Efficiency |
| title_sort | pilot free common phase error estimation for co ofdm with improved spectral efficiency |
| topic | Coherent optical OFDM phase noise common phase error Kalman filter. |
| url | https://ieeexplore.ieee.org/document/8883033/ |
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